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android-kvm / linux / e51b4198396cd715b140c0e8b259680429ff0cfb / . / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
blob: 6bd18eb5137f44c8cf7ac7e41a4d128da10704f7 [file] [log] [blame]
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
* Copyright (c) 2016-2017 Broadcom Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#include <linux/ctype.h>
#include <linux/stringify.h>
#include <linux/ethtool.h>
#include <linux/ethtool_netlink.h>
#include <linux/linkmode.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include <linux/utsname.h>
#include <linux/time.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/net_tstamp.h>
#include <linux/timecounter.h>
#include <net/netlink.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_hwrm.h"
#include "bnxt_ulp.h"
#include "bnxt_xdp.h"
#include "bnxt_ptp.h"
#include "bnxt_ethtool.h"
#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
#include "bnxt_coredump.h"
#define BNXT_NVM_ERR_MSG(dev, extack, msg) \
do { \
if (extack) \
NL_SET_ERR_MSG_MOD(extack, msg); \
netdev_err(dev, "%s\n", msg); \
} while (0)
static u32 bnxt_get_msglevel(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
return bp->msg_enable;
}
static void bnxt_set_msglevel(struct net_device *dev, u32 value)
{
struct bnxt *bp = netdev_priv(dev);
bp->msg_enable = value;
}
static int bnxt_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_coal *hw_coal;
u16 mult;
memset(coal, 0, sizeof(*coal));
coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
hw_coal = &bp->rx_coal;
mult = hw_coal->bufs_per_record;
coal->rx_coalesce_usecs = hw_coal->coal_ticks;
coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
if (hw_coal->flags &
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
kernel_coal->use_cqe_mode_rx = true;
hw_coal = &bp->tx_coal;
mult = hw_coal->bufs_per_record;
coal->tx_coalesce_usecs = hw_coal->coal_ticks;
coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
if (hw_coal->flags &
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
kernel_coal->use_cqe_mode_tx = true;
coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
return 0;
}
static int bnxt_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
bool update_stats = false;
struct bnxt_coal *hw_coal;
int rc = 0;
u16 mult;
if (coal->use_adaptive_rx_coalesce) {
bp->flags |= BNXT_FLAG_DIM;
} else {
if (bp->flags & BNXT_FLAG_DIM) {
bp->flags &= ~(BNXT_FLAG_DIM);
goto reset_coalesce;
}
}
if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
!(bp->coal_cap.cmpl_params &
RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET))
return -EOPNOTSUPP;
hw_coal = &bp->rx_coal;
mult = hw_coal->bufs_per_record;
hw_coal->coal_ticks = coal->rx_coalesce_usecs;
hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
hw_coal->flags &=
~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (kernel_coal->use_cqe_mode_rx)
hw_coal->flags |=
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
hw_coal = &bp->tx_coal;
mult = hw_coal->bufs_per_record;
hw_coal->coal_ticks = coal->tx_coalesce_usecs;
hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
hw_coal->flags &=
~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (kernel_coal->use_cqe_mode_tx)
hw_coal->flags |=
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
u32 stats_ticks = coal->stats_block_coalesce_usecs;
/* Allow 0, which means disable. */
if (stats_ticks)
stats_ticks = clamp_t(u32, stats_ticks,
BNXT_MIN_STATS_COAL_TICKS,
BNXT_MAX_STATS_COAL_TICKS);
stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
bp->stats_coal_ticks = stats_ticks;
if (bp->stats_coal_ticks)
bp->current_interval =
bp->stats_coal_ticks * HZ / 1000000;
else
bp->current_interval = BNXT_TIMER_INTERVAL;
update_stats = true;
}
reset_coalesce:
if (test_bit(BNXT_STATE_OPEN, &bp->state)) {
if (update_stats) {
rc = bnxt_close_nic(bp, true, false);
if (!rc)
rc = bnxt_open_nic(bp, true, false);
} else {
rc = bnxt_hwrm_set_coal(bp);
}
}
return rc;
}
static const char * const bnxt_ring_rx_stats_str[] = {
"rx_ucast_packets",
"rx_mcast_packets",
"rx_bcast_packets",
"rx_discards",
"rx_errors",
"rx_ucast_bytes",
"rx_mcast_bytes",
"rx_bcast_bytes",
};
static const char * const bnxt_ring_tx_stats_str[] = {
"tx_ucast_packets",
"tx_mcast_packets",
"tx_bcast_packets",
"tx_errors",
"tx_discards",
"tx_ucast_bytes",
"tx_mcast_bytes",
"tx_bcast_bytes",
};
static const char * const bnxt_ring_tpa_stats_str[] = {
"tpa_packets",
"tpa_bytes",
"tpa_events",
"tpa_aborts",
};
static const char * const bnxt_ring_tpa2_stats_str[] = {
"rx_tpa_eligible_pkt",
"rx_tpa_eligible_bytes",
"rx_tpa_pkt",
"rx_tpa_bytes",
"rx_tpa_errors",
"rx_tpa_events",
};
static const char * const bnxt_rx_sw_stats_str[] = {
"rx_l4_csum_errors",
"rx_resets",
"rx_buf_errors",
};
static const char * const bnxt_cmn_sw_stats_str[] = {
"missed_irqs",
};
#define BNXT_RX_STATS_ENTRY(counter) \
{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_ENTRY(counter) \
{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_RX_STATS_EXT_ENTRY(counter) \
{ BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_EXT_ENTRY(counter) \
{ BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
#define BNXT_RX_STATS_EXT_PFC_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us), \
BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
#define BNXT_TX_STATS_EXT_PFC_ENTRY(n) \
BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us), \
BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
#define BNXT_RX_STATS_EXT_PFC_ENTRIES \
BNXT_RX_STATS_EXT_PFC_ENTRY(0), \
BNXT_RX_STATS_EXT_PFC_ENTRY(1), \
BNXT_RX_STATS_EXT_PFC_ENTRY(2), \
BNXT_RX_STATS_EXT_PFC_ENTRY(3), \
BNXT_RX_STATS_EXT_PFC_ENTRY(4), \
BNXT_RX_STATS_EXT_PFC_ENTRY(5), \
BNXT_RX_STATS_EXT_PFC_ENTRY(6), \
BNXT_RX_STATS_EXT_PFC_ENTRY(7)
#define BNXT_TX_STATS_EXT_PFC_ENTRIES \
BNXT_TX_STATS_EXT_PFC_ENTRY(0), \
BNXT_TX_STATS_EXT_PFC_ENTRY(1), \
BNXT_TX_STATS_EXT_PFC_ENTRY(2), \
BNXT_TX_STATS_EXT_PFC_ENTRY(3), \
BNXT_TX_STATS_EXT_PFC_ENTRY(4), \
BNXT_TX_STATS_EXT_PFC_ENTRY(5), \
BNXT_TX_STATS_EXT_PFC_ENTRY(6), \
BNXT_TX_STATS_EXT_PFC_ENTRY(7)
#define BNXT_RX_STATS_EXT_COS_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n), \
BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
#define BNXT_TX_STATS_EXT_COS_ENTRY(n) \
BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n), \
BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
#define BNXT_RX_STATS_EXT_COS_ENTRIES \
BNXT_RX_STATS_EXT_COS_ENTRY(0), \
BNXT_RX_STATS_EXT_COS_ENTRY(1), \
BNXT_RX_STATS_EXT_COS_ENTRY(2), \
BNXT_RX_STATS_EXT_COS_ENTRY(3), \
BNXT_RX_STATS_EXT_COS_ENTRY(4), \
BNXT_RX_STATS_EXT_COS_ENTRY(5), \
BNXT_RX_STATS_EXT_COS_ENTRY(6), \
BNXT_RX_STATS_EXT_COS_ENTRY(7) \
#define BNXT_TX_STATS_EXT_COS_ENTRIES \
BNXT_TX_STATS_EXT_COS_ENTRY(0), \
BNXT_TX_STATS_EXT_COS_ENTRY(1), \
BNXT_TX_STATS_EXT_COS_ENTRY(2), \
BNXT_TX_STATS_EXT_COS_ENTRY(3), \
BNXT_TX_STATS_EXT_COS_ENTRY(4), \
BNXT_TX_STATS_EXT_COS_ENTRY(5), \
BNXT_TX_STATS_EXT_COS_ENTRY(6), \
BNXT_TX_STATS_EXT_COS_ENTRY(7) \
#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n), \
BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
#define BNXT_RX_STATS_PRI_ENTRY(counter, n) \
{ BNXT_RX_STATS_EXT_OFFSET(counter##_cos0), \
__stringify(counter##_pri##n) }
#define BNXT_TX_STATS_PRI_ENTRY(counter, n) \
{ BNXT_TX_STATS_EXT_OFFSET(counter##_cos0), \
__stringify(counter##_pri##n) }
#define BNXT_RX_STATS_PRI_ENTRIES(counter) \
BNXT_RX_STATS_PRI_ENTRY(counter, 0), \
BNXT_RX_STATS_PRI_ENTRY(counter, 1), \
BNXT_RX_STATS_PRI_ENTRY(counter, 2), \
BNXT_RX_STATS_PRI_ENTRY(counter, 3), \
BNXT_RX_STATS_PRI_ENTRY(counter, 4), \
BNXT_RX_STATS_PRI_ENTRY(counter, 5), \
BNXT_RX_STATS_PRI_ENTRY(counter, 6), \
BNXT_RX_STATS_PRI_ENTRY(counter, 7)
#define BNXT_TX_STATS_PRI_ENTRIES(counter) \
BNXT_TX_STATS_PRI_ENTRY(counter, 0), \
BNXT_TX_STATS_PRI_ENTRY(counter, 1), \
BNXT_TX_STATS_PRI_ENTRY(counter, 2), \
BNXT_TX_STATS_PRI_ENTRY(counter, 3), \
BNXT_TX_STATS_PRI_ENTRY(counter, 4), \
BNXT_TX_STATS_PRI_ENTRY(counter, 5), \
BNXT_TX_STATS_PRI_ENTRY(counter, 6), \
BNXT_TX_STATS_PRI_ENTRY(counter, 7)
enum {
RX_TOTAL_DISCARDS,
TX_TOTAL_DISCARDS,
RX_NETPOLL_DISCARDS,
};
static struct {
u64 counter;
char string[ETH_GSTRING_LEN];
} bnxt_sw_func_stats[] = {
{0, "rx_total_discard_pkts"},
{0, "tx_total_discard_pkts"},
{0, "rx_total_netpoll_discards"},
};
#define NUM_RING_RX_SW_STATS ARRAY_SIZE(bnxt_rx_sw_stats_str)
#define NUM_RING_CMN_SW_STATS ARRAY_SIZE(bnxt_cmn_sw_stats_str)
#define NUM_RING_RX_HW_STATS ARRAY_SIZE(bnxt_ring_rx_stats_str)
#define NUM_RING_TX_HW_STATS ARRAY_SIZE(bnxt_ring_tx_stats_str)
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_port_stats_arr[] = {
BNXT_RX_STATS_ENTRY(rx_64b_frames),
BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
BNXT_RX_STATS_ENTRY(rx_total_frames),
BNXT_RX_STATS_ENTRY(rx_ucast_frames),
BNXT_RX_STATS_ENTRY(rx_mcast_frames),
BNXT_RX_STATS_ENTRY(rx_bcast_frames),
BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
BNXT_RX_STATS_ENTRY(rx_pause_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_frames),
BNXT_RX_STATS_ENTRY(rx_align_err_frames),
BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
BNXT_RX_STATS_ENTRY(rx_jbr_frames),
BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
BNXT_RX_STATS_ENTRY(rx_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_good_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
BNXT_RX_STATS_ENTRY(rx_bytes),
BNXT_RX_STATS_ENTRY(rx_runt_bytes),
BNXT_RX_STATS_ENTRY(rx_runt_frames),
BNXT_RX_STATS_ENTRY(rx_stat_discard),
BNXT_RX_STATS_ENTRY(rx_stat_err),
BNXT_TX_STATS_ENTRY(tx_64b_frames),
BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
BNXT_TX_STATS_ENTRY(tx_good_frames),
BNXT_TX_STATS_ENTRY(tx_total_frames),
BNXT_TX_STATS_ENTRY(tx_ucast_frames),
BNXT_TX_STATS_ENTRY(tx_mcast_frames),
BNXT_TX_STATS_ENTRY(tx_bcast_frames),
BNXT_TX_STATS_ENTRY(tx_pause_frames),
BNXT_TX_STATS_ENTRY(tx_pfc_frames),
BNXT_TX_STATS_ENTRY(tx_jabber_frames),
BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
BNXT_TX_STATS_ENTRY(tx_err),
BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
BNXT_TX_STATS_ENTRY(tx_total_collisions),
BNXT_TX_STATS_ENTRY(tx_bytes),
BNXT_TX_STATS_ENTRY(tx_xthol_frames),
BNXT_TX_STATS_ENTRY(tx_stat_discard),
BNXT_TX_STATS_ENTRY(tx_stat_error),
};
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_port_stats_ext_arr[] = {
BNXT_RX_STATS_EXT_ENTRY(link_down_events),
BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
BNXT_RX_STATS_EXT_COS_ENTRIES,
BNXT_RX_STATS_EXT_PFC_ENTRIES,
BNXT_RX_STATS_EXT_ENTRY(rx_bits),
BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
BNXT_RX_STATS_EXT_ENTRY(rx_fec_corrected_blocks),
BNXT_RX_STATS_EXT_ENTRY(rx_fec_uncorrectable_blocks),
};
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_tx_port_stats_ext_arr[] = {
BNXT_TX_STATS_EXT_COS_ENTRIES,
BNXT_TX_STATS_EXT_PFC_ENTRIES,
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_rx_bytes_pri_arr[] = {
BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_rx_pkts_pri_arr[] = {
BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_tx_bytes_pri_arr[] = {
BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_tx_pkts_pri_arr[] = {
BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
};
#define BNXT_NUM_SW_FUNC_STATS ARRAY_SIZE(bnxt_sw_func_stats)
#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
#define BNXT_NUM_STATS_PRI \
(ARRAY_SIZE(bnxt_rx_bytes_pri_arr) + \
ARRAY_SIZE(bnxt_rx_pkts_pri_arr) + \
ARRAY_SIZE(bnxt_tx_bytes_pri_arr) + \
ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
{
if (BNXT_SUPPORTS_TPA(bp)) {
if (bp->max_tpa_v2) {
if (BNXT_CHIP_P5_THOR(bp))
return BNXT_NUM_TPA_RING_STATS_P5;
return BNXT_NUM_TPA_RING_STATS_P5_SR2;
}
return BNXT_NUM_TPA_RING_STATS;
}
return 0;
}
static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
int rx, tx, cmn;
rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
bnxt_get_num_tpa_ring_stats(bp);
tx = NUM_RING_TX_HW_STATS;
cmn = NUM_RING_CMN_SW_STATS;
return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
cmn * bp->cp_nr_rings;
}
static int bnxt_get_num_stats(struct bnxt *bp)
{
int num_stats = bnxt_get_num_ring_stats(bp);
num_stats += BNXT_NUM_SW_FUNC_STATS;
if (bp->flags & BNXT_FLAG_PORT_STATS)
num_stats += BNXT_NUM_PORT_STATS;
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
num_stats += bp->fw_rx_stats_ext_size +
bp->fw_tx_stats_ext_size;
if (bp->pri2cos_valid)
num_stats += BNXT_NUM_STATS_PRI;
}
return num_stats;
}
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
struct bnxt *bp = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return bnxt_get_num_stats(bp);
case ETH_SS_TEST:
if (!bp->num_tests)
return -EOPNOTSUPP;
return bp->num_tests;
default:
return -EOPNOTSUPP;
}
}
static bool is_rx_ring(struct bnxt *bp, int ring_num)
{
return ring_num < bp->rx_nr_rings;
}
static bool is_tx_ring(struct bnxt *bp, int ring_num)
{
int tx_base = 0;
if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
tx_base = bp->rx_nr_rings;
if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
return true;
return false;
}
static void bnxt_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *buf)
{
u32 i, j = 0;
struct bnxt *bp = netdev_priv(dev);
u32 tpa_stats;
if (!bp->bnapi) {
j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
goto skip_ring_stats;
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
bnxt_sw_func_stats[i].counter = 0;
tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_napi *bnapi = bp->bnapi[i];
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
u64 *sw_stats = cpr->stats.sw_stats;
u64 *sw;
int k;
if (is_rx_ring(bp, i)) {
for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
buf[j] = sw_stats[k];
}
if (is_tx_ring(bp, i)) {
k = NUM_RING_RX_HW_STATS;
for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
j++, k++)
buf[j] = sw_stats[k];
}
if (!tpa_stats || !is_rx_ring(bp, i))
goto skip_tpa_ring_stats;
k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
tpa_stats; j++, k++)
buf[j] = sw_stats[k];
skip_tpa_ring_stats:
sw = (u64 *)&cpr->sw_stats.rx;
if (is_rx_ring(bp, i)) {
for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
buf[j] = sw[k];
}
sw = (u64 *)&cpr->sw_stats.cmn;
for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
buf[j] = sw[k];
bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
bnxt_sw_func_stats[RX_NETPOLL_DISCARDS].counter +=
cpr->sw_stats.rx.rx_netpoll_discards;
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
buf[j] = bnxt_sw_func_stats[i].counter;
skip_ring_stats:
if (bp->flags & BNXT_FLAG_PORT_STATS) {
u64 *port_stats = bp->port_stats.sw_stats;
for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
}
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
buf[j] = *(rx_port_stats_ext +
bnxt_port_stats_ext_arr[i].offset);
}
for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
buf[j] = *(tx_port_stats_ext +
bnxt_tx_port_stats_ext_arr[i].offset);
}
if (bp->pri2cos_valid) {
for (i = 0; i < 8; i++, j++) {
long n = bnxt_rx_bytes_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(rx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_rx_pkts_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(rx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_tx_bytes_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(tx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_tx_pkts_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(tx_port_stats_ext + n);
}
}
}
}
static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
struct bnxt *bp = netdev_priv(dev);
static const char * const *str;
u32 i, j, num_str;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < bp->cp_nr_rings; i++) {
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_HW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_ring_rx_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
if (is_tx_ring(bp, i)) {
num_str = NUM_RING_TX_HW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_ring_tx_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
num_str = bnxt_get_num_tpa_ring_stats(bp);
if (!num_str || !is_rx_ring(bp, i))
goto skip_tpa_stats;
if (bp->max_tpa_v2)
str = bnxt_ring_tpa2_stats_str;
else
str = bnxt_ring_tpa_stats_str;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i, str[j]);
buf += ETH_GSTRING_LEN;
}
skip_tpa_stats:
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_SW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_rx_sw_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
num_str = NUM_RING_CMN_SW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_cmn_sw_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
strcpy(buf, bnxt_sw_func_stats[i].string);
buf += ETH_GSTRING_LEN;
}
if (bp->flags & BNXT_FLAG_PORT_STATS) {
for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
strcpy(buf, bnxt_port_stats_arr[i].string);
buf += ETH_GSTRING_LEN;
}
}
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
strcpy(buf, bnxt_port_stats_ext_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
strcpy(buf,
bnxt_tx_port_stats_ext_arr[i].string);
buf += ETH_GSTRING_LEN;
}
if (bp->pri2cos_valid) {
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_rx_bytes_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_rx_pkts_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_tx_bytes_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_tx_pkts_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
}
}
break;
case ETH_SS_TEST:
if (bp->num_tests)
memcpy(buf, bp->test_info->string,
bp->num_tests * ETH_GSTRING_LEN);
break;
default:
netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
stringset);
break;
}
}
static void bnxt_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->flags & BNXT_FLAG_AGG_RINGS) {
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT_JUM_ENA;
ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_ENABLED;
} else {
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
ering->rx_jumbo_max_pending = 0;
kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_DISABLED;
}
ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
ering->rx_pending = bp->rx_ring_size;
ering->rx_jumbo_pending = bp->rx_agg_ring_size;
ering->tx_pending = bp->tx_ring_size;
}
static int bnxt_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
(ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
(ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
return -EINVAL;
if (netif_running(dev))
bnxt_close_nic(bp, false, false);
bp->rx_ring_size = ering->rx_pending;
bp->tx_ring_size = ering->tx_pending;
bnxt_set_ring_params(bp);
if (netif_running(dev))
return bnxt_open_nic(bp, false, false);
return 0;
}
static void bnxt_get_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
int max_rx_rings, max_tx_rings, tcs;
int max_tx_sch_inputs, tx_grps;
/* Get the most up-to-date max_tx_sch_inputs. */
if (netif_running(dev) && BNXT_NEW_RM(bp))
bnxt_hwrm_func_resc_qcaps(bp, false);
max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
if (max_tx_sch_inputs)
max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
tcs = netdev_get_num_tc(dev);
tx_grps = max(tcs, 1);
if (bp->tx_nr_rings_xdp)
tx_grps++;
max_tx_rings /= tx_grps;
channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
max_rx_rings = 0;
max_tx_rings = 0;
}
if (max_tx_sch_inputs)
max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
if (tcs > 1)
max_tx_rings /= tcs;
channel->max_rx = max_rx_rings;
channel->max_tx = max_tx_rings;
channel->max_other = 0;
if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
channel->combined_count = bp->rx_nr_rings;
if (BNXT_CHIP_TYPE_NITRO_A0(bp))
channel->combined_count--;
} else {
if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
channel->rx_count = bp->rx_nr_rings;
channel->tx_count = bp->tx_nr_rings_per_tc;
}
}
}
static int bnxt_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
int req_tx_rings, req_rx_rings, tcs;
bool sh = false;
int tx_xdp = 0;
int rc = 0;
if (channel->other_count)
return -EINVAL;
if (!channel->combined_count &&
(!channel->rx_count || !channel->tx_count))
return -EINVAL;
if (channel->combined_count &&
(channel->rx_count || channel->tx_count))
return -EINVAL;
if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
channel->tx_count))
return -EINVAL;
if (channel->combined_count)
sh = true;
tcs = netdev_get_num_tc(dev);
req_tx_rings = sh ? channel->combined_count : channel->tx_count;
req_rx_rings = sh ? channel->combined_count : channel->rx_count;
if (bp->tx_nr_rings_xdp) {
if (!sh) {
netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
return -EINVAL;
}
tx_xdp = req_rx_rings;
}
rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
if (rc) {
netdev_warn(dev, "Unable to allocate the requested rings\n");
return rc;
}
if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
netif_is_rxfh_configured(dev)) {
netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
return -EINVAL;
}
if (netif_running(dev)) {
if (BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* before PF unload
*/
}
rc = bnxt_close_nic(bp, true, false);
if (rc) {
netdev_err(bp->dev, "Set channel failure rc :%x\n",
rc);
return rc;
}
}
if (sh) {
bp->flags |= BNXT_FLAG_SHARED_RINGS;
bp->rx_nr_rings = channel->combined_count;
bp->tx_nr_rings_per_tc = channel->combined_count;
} else {
bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
bp->rx_nr_rings = channel->rx_count;
bp->tx_nr_rings_per_tc = channel->tx_count;
}
bp->tx_nr_rings_xdp = tx_xdp;
bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
if (tcs > 1)
bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
bp->tx_nr_rings + bp->rx_nr_rings;
/* After changing number of rx channels, update NTUPLE feature. */
netdev_update_features(dev);
if (netif_running(dev)) {
rc = bnxt_open_nic(bp, true, false);
if ((!rc) && BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* to renable
*/
}
} else {
rc = bnxt_reserve_rings(bp, true);
}
return rc;
}
#ifdef CONFIG_RFS_ACCEL
static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
int i, j = 0;
cmd->data = bp->ntp_fltr_count;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;
struct bnxt_ntuple_filter *fltr;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (j == cmd->rule_cnt)
break;
rule_locs[j++] = fltr->sw_id;
}
rcu_read_unlock();
if (j == cmd->rule_cnt)
break;
}
cmd->rule_cnt = j;
return 0;
}
static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fs =
(struct ethtool_rx_flow_spec *)&cmd->fs;
struct bnxt_ntuple_filter *fltr;
struct flow_keys *fkeys;
int i, rc = -EINVAL;
if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
return rc;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (fltr->sw_id == fs->location)
goto fltr_found;
}
rcu_read_unlock();
}
return rc;
fltr_found:
fkeys = &fltr->fkeys;
if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V4_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V4_FLOW;
else
goto fltr_err;
fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
} else {
int i;
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V6_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V6_FLOW;
else
goto fltr_err;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
fkeys->addrs.v6addrs.src;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
fkeys->addrs.v6addrs.dst;
for (i = 0; i < 4; i++) {
fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
}
fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
}
fs->ring_cookie = fltr->rxq;
rc = 0;
fltr_err:
rcu_read_unlock();
return rc;
}
#endif
static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
{
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
return RXH_IP_SRC | RXH_IP_DST;
return 0;
}
static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
{
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
return RXH_IP_SRC | RXH_IP_DST;
return 0;
}
static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
cmd->data = 0;
switch (cmd->flow_type) {
case TCP_V4_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
cmd->data |= get_ethtool_ipv4_rss(bp);
break;
case UDP_V4_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
fallthrough;
case SCTP_V4_FLOW:
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
case IPV4_FLOW:
cmd->data |= get_ethtool_ipv4_rss(bp);
break;
case TCP_V6_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
cmd->data |= get_ethtool_ipv6_rss(bp);
break;
case UDP_V6_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
fallthrough;
case SCTP_V6_FLOW:
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
case IPV6_FLOW:
cmd->data |= get_ethtool_ipv6_rss(bp);
break;
}
return 0;
}
#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
u32 rss_hash_cfg = bp->rss_hash_cfg;
int tuple, rc = 0;
if (cmd->data == RXH_4TUPLE)
tuple = 4;
else if (cmd->data == RXH_2TUPLE)
tuple = 2;
else if (!cmd->data)
tuple = 0;
else
return -EINVAL;
if (cmd->flow_type == TCP_V4_FLOW) {
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
} else if (cmd->flow_type == UDP_V4_FLOW) {
if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
return -EINVAL;
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
} else if (cmd->flow_type == TCP_V6_FLOW) {
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
} else if (cmd->flow_type == UDP_V6_FLOW) {
if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
return -EINVAL;
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
} else if (tuple == 4) {
return -EINVAL;
}
switch (cmd->flow_type) {
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
case IPV4_FLOW:
if (tuple == 2)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
else if (!tuple)
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
break;
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
case IPV6_FLOW:
if (tuple == 2)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
else if (!tuple)
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
break;
}
if (bp->rss_hash_cfg == rss_hash_cfg)
return 0;
if (bp->fw_cap & BNXT_FW_CAP_RSS_HASH_TYPE_DELTA)
bp->rss_hash_delta = bp->rss_hash_cfg ^ rss_hash_cfg;
bp->rss_hash_cfg = rss_hash_cfg;
if (netif_running(bp->dev)) {
bnxt_close_nic(bp, false, false);
rc = bnxt_open_nic(bp, false, false);
}
return rc;
}
static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
switch (cmd->cmd) {
#ifdef CONFIG_RFS_ACCEL
case ETHTOOL_GRXRINGS:
cmd->data = bp->rx_nr_rings;
break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = bp->ntp_fltr_count;
cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
break;
case ETHTOOL_GRXCLSRLALL:
rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
break;
case ETHTOOL_GRXCLSRULE:
rc = bnxt_grxclsrule(bp, cmd);
break;
#endif
case ETHTOOL_GRXFH:
rc = bnxt_grxfh(bp, cmd);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
rc = bnxt_srxfh(bp, cmd);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->flags & BNXT_FLAG_CHIP_P5)
return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
return HW_HASH_INDEX_SIZE;
}
static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
{
return HW_HASH_KEY_SIZE;
}
static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_vnic_info *vnic;
u32 i, tbl_size;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!bp->vnic_info)
return 0;
vnic = &bp->vnic_info[0];
if (indir && bp->rss_indir_tbl) {
tbl_size = bnxt_get_rxfh_indir_size(dev);
for (i = 0; i < tbl_size; i++)
indir[i] = bp->rss_indir_tbl[i];
}
if (key && vnic->rss_hash_key)
memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
return 0;
}
static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
if (hfunc && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
if (key)
return -EOPNOTSUPP;
if (indir) {
u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);
for (i = 0; i < tbl_size; i++)
bp->rss_indir_tbl[i] = indir[i];
pad = bp->rss_indir_tbl_entries - tbl_size;
if (pad)
memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
}
if (netif_running(bp->dev)) {
bnxt_close_nic(bp, false, false);
rc = bnxt_open_nic(bp, false, false);
}
return rc;
}
static void bnxt_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct bnxt *bp = netdev_priv(dev);
strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
strscpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
strscpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
info->n_stats = bnxt_get_num_stats(bp);
info->testinfo_len = bp->num_tests;
/* TODO CHIMP_FW: eeprom dump details */
info->eedump_len = 0;
/* TODO CHIMP FW: reg dump details */
info->regdump_len = 0;
}
static int bnxt_get_regs_len(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
int reg_len;
if (!BNXT_PF(bp))
return -EOPNOTSUPP;
reg_len = BNXT_PXP_REG_LEN;
if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)
reg_len += sizeof(struct pcie_ctx_hw_stats);
return reg_len;
}
static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *_p)
{
struct pcie_ctx_hw_stats *hw_pcie_stats;
struct hwrm_pcie_qstats_input *req;
struct bnxt *bp = netdev_priv(dev);
dma_addr_t hw_pcie_stats_addr;
int rc;
regs->version = 0;
bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p);
if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED))
return;
if (hwrm_req_init(bp, req, HWRM_PCIE_QSTATS))
return;
hw_pcie_stats = hwrm_req_dma_slice(bp, req, sizeof(*hw_pcie_stats),
&hw_pcie_stats_addr);
if (!hw_pcie_stats) {
hwrm_req_drop(bp, req);
return;
}
regs->version = 1;
hwrm_req_hold(bp, req); /* hold on to slice */
req->pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats));
req->pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
rc = hwrm_req_send(bp, req);
if (!rc) {
__le64 *src = (__le64 *)hw_pcie_stats;
u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
int i;
for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
dst[i] = le64_to_cpu(src[i]);
}
hwrm_req_drop(bp, req);
}
static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bnxt *bp = netdev_priv(dev);
wol->supported = 0;
wol->wolopts = 0;
memset(&wol->sopass, 0, sizeof(wol->sopass));
if (bp->flags & BNXT_FLAG_WOL_CAP) {
wol->supported = WAKE_MAGIC;
if (bp->wol)
wol->wolopts = WAKE_MAGIC;
}
}
static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bnxt *bp = netdev_priv(dev);
if (wol->wolopts & ~WAKE_MAGIC)
return -EINVAL;
if (wol->wolopts & WAKE_MAGIC) {
if (!(bp->flags & BNXT_FLAG_WOL_CAP))
return -EINVAL;
if (!bp->wol) {
if (bnxt_hwrm_alloc_wol_fltr(bp))
return -EBUSY;
bp->wol = 1;
}
} else {
if (bp->wol) {
if (bnxt_hwrm_free_wol_fltr(bp))
return -EBUSY;
bp->wol = 0;
}
}
return 0;
}
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
{
u32 speed_mask = 0;
/* TODO: support 25GB, 40GB, 50GB with different cable type */
/* set the advertised speeds */
if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
speed_mask |= ADVERTISED_100baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
speed_mask |= ADVERTISED_1000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
speed_mask |= ADVERTISED_2500baseX_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
speed_mask |= ADVERTISED_10000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
speed_mask |= ADVERTISED_40000baseCR4_Full;
if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
speed_mask |= ADVERTISED_Pause;
else if (fw_pause & BNXT_LINK_PAUSE_TX)
speed_mask |= ADVERTISED_Asym_Pause;
else if (fw_pause & BNXT_LINK_PAUSE_RX)
speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
return speed_mask;
}
#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
{ \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1000baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
10000baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
25000baseCR_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
40000baseCR4_Full);\
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
50000baseCR2_Full);\
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100000baseCR4_Full);\
if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
Pause); \
if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
ethtool_link_ksettings_add_link_mode( \
lk_ksettings, name, Asym_Pause);\
} else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
Asym_Pause); \
} \
}
#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
{ \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100baseT_Full) || \
ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100baseT_Half)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1000baseT_Full) || \
ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1000baseT_Half)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
10000baseT_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
25000baseCR_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
40000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
50000baseCR2_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
}
#define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name) \
{ \
if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
50000baseCR_Full); \
if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100000baseCR2_Full);\
if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
200000baseCR4_Full);\
}
#define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name) \
{ \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
50000baseCR_Full)) \
(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100000baseCR2_Full)) \
(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
200000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB; \
}
static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fec_cfg = link_info->fec_cfg;
if ((fec_cfg & BNXT_FEC_NONE) || !(fec_cfg & BNXT_FEC_AUTONEG)) {
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
lk_ksettings->link_modes.advertising);
return;
}
if (fec_cfg & BNXT_FEC_ENC_BASE_R)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
lk_ksettings->link_modes.advertising);
if (fec_cfg & BNXT_FEC_ENC_RS)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
lk_ksettings->link_modes.advertising);
if (fec_cfg & BNXT_FEC_ENC_LLRS)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
lk_ksettings->link_modes.advertising);
}
static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fw_speeds = link_info->advertising;
u8 fw_pause = 0;
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
fw_pause = link_info->auto_pause_setting;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
fw_speeds = link_info->advertising_pam4;
BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising);
bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings);
}
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fw_speeds = link_info->lp_auto_link_speeds;
u8 fw_pause = 0;
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
fw_pause = link_info->lp_pause;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
lp_advertising);
fw_speeds = link_info->lp_auto_pam4_link_speeds;
BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising);
}
static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fec_cfg = link_info->fec_cfg;
if (fec_cfg & BNXT_FEC_NONE) {
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
lk_ksettings->link_modes.supported);
return;
}
if (fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
lk_ksettings->link_modes.supported);
if (fec_cfg & BNXT_FEC_ENC_RS_CAP)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
lk_ksettings->link_modes.supported);
if (fec_cfg & BNXT_FEC_ENC_LLRS_CAP)
linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
lk_ksettings->link_modes.supported);
}
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
struct bnxt *bp = container_of(link_info, struct bnxt, link_info);
u16 fw_speeds = link_info->support_speeds;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
fw_speeds = link_info->support_pam4_speeds;
BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported);
if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) {
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
Pause);
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
Asym_Pause);
}
if (link_info->support_auto_speeds ||
link_info->support_pam4_auto_speeds)
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
Autoneg);
bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings);
}
u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
{
switch (fw_link_speed) {
case BNXT_LINK_SPEED_100MB:
return SPEED_100;
case BNXT_LINK_SPEED_1GB:
return SPEED_1000;
case BNXT_LINK_SPEED_2_5GB:
return SPEED_2500;
case BNXT_LINK_SPEED_10GB:
return SPEED_10000;
case BNXT_LINK_SPEED_20GB:
return SPEED_20000;
case BNXT_LINK_SPEED_25GB:
return SPEED_25000;
case BNXT_LINK_SPEED_40GB:
return SPEED_40000;
case BNXT_LINK_SPEED_50GB:
return SPEED_50000;
case BNXT_LINK_SPEED_100GB:
return SPEED_100000;
case BNXT_LINK_SPEED_200GB:
return SPEED_200000;
default:
return SPEED_UNKNOWN;
}
}
static int bnxt_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *lk_ksettings)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
struct ethtool_link_settings *base = &lk_ksettings->base;
u32 ethtool_speed;
ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
mutex_lock(&bp->link_lock);
bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
if (link_info->autoneg) {
bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
ethtool_link_ksettings_add_link_mode(lk_ksettings,
advertising, Autoneg);
base->autoneg = AUTONEG_ENABLE;
base->duplex = DUPLEX_UNKNOWN;
if (link_info->phy_link_status == BNXT_LINK_LINK) {
bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
base->duplex = DUPLEX_FULL;
else
base->duplex = DUPLEX_HALF;
}
ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
} else {
base->autoneg = AUTONEG_DISABLE;
ethtool_speed =
bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
base->duplex = DUPLEX_HALF;
if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
base->duplex = DUPLEX_FULL;
}
base->speed = ethtool_speed;
base->port = PORT_NONE;
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
base->port = PORT_TP;
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
TP);
ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
TP);
} else {
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
FIBRE);
ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
FIBRE);
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
base->port = PORT_DA;
else if (link_info->media_type ==
PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
base->port = PORT_FIBRE;
}
base->phy_address = link_info->phy_addr;
mutex_unlock(&bp->link_lock);
return 0;
}
static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
u16 support_pam4_spds = link_info->support_pam4_speeds;
u16 support_spds = link_info->support_speeds;
u8 sig_mode = BNXT_SIG_MODE_NRZ;
u16 fw_speed = 0;
switch (ethtool_speed) {
case SPEED_100:
if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB;
break;
case SPEED_1000:
if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
break;
case SPEED_2500:
if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB;
break;
case SPEED_10000:
if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
break;
case SPEED_20000:
if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB;
break;
case SPEED_25000:
if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
break;
case SPEED_40000:
if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
break;
case SPEED_50000:
if (support_spds & BNXT_LINK_SPEED_MSK_50GB) {
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) {
fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB;
sig_mode = BNXT_SIG_MODE_PAM4;
}
break;
case SPEED_100000:
if (support_spds & BNXT_LINK_SPEED_MSK_100GB) {
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) {
fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB;
sig_mode = BNXT_SIG_MODE_PAM4;
}
break;
case SPEED_200000:
if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) {
fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB;
sig_mode = BNXT_SIG_MODE_PAM4;
}
break;
}
if (!fw_speed) {
netdev_err(dev, "unsupported speed!\n");
return -EINVAL;
}
if (link_info->req_link_speed == fw_speed &&
link_info->req_signal_mode == sig_mode &&
link_info->autoneg == 0)
return -EALREADY;
link_info->req_link_speed = fw_speed;
link_info->req_signal_mode = sig_mode;
link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
link_info->autoneg = 0;
link_info->advertising = 0;
link_info->advertising_pam4 = 0;
return 0;
}
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
{
u16 fw_speed_mask = 0;
/* only support autoneg at speed 100, 1000, and 10000 */
if (advertising & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
}
if (advertising & (ADVERTISED_1000baseT_Full |
ADVERTISED_1000baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
}
if (advertising & ADVERTISED_10000baseT_Full)
fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
if (advertising & ADVERTISED_40000baseCR4_Full)
fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
return fw_speed_mask;
}
static int bnxt_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *lk_ksettings)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
const struct ethtool_link_settings *base = &lk_ksettings->base;
bool set_pause = false;
u32 speed;
int rc = 0;
if (!BNXT_PHY_CFG_ABLE(bp))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
if (base->autoneg == AUTONEG_ENABLE) {
link_info->advertising = 0;
link_info->advertising_pam4 = 0;
BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings,
advertising);
BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4,
lk_ksettings, advertising);
link_info->autoneg |= BNXT_AUTONEG_SPEED;
if (!link_info->advertising && !link_info->advertising_pam4) {
link_info->advertising = link_info->support_auto_speeds;
link_info->advertising_pam4 =
link_info->support_pam4_auto_speeds;
}
/* any change to autoneg will cause link change, therefore the
* driver should put back the original pause setting in autoneg
*/
if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE))
set_pause = true;
} else {
u8 phy_type = link_info->phy_type;
if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
netdev_err(dev, "10GBase-T devices must autoneg\n");
rc = -EINVAL;
goto set_setting_exit;
}
if (base->duplex == DUPLEX_HALF) {
netdev_err(dev, "HALF DUPLEX is not supported!\n");
rc = -EINVAL;
goto set_setting_exit;
}
speed = base->speed;
rc = bnxt_force_link_speed(dev, speed);
if (rc) {
if (rc == -EALREADY)
rc = 0;
goto set_setting_exit;
}
}
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
set_setting_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static int bnxt_get_fecparam(struct net_device *dev,
struct ethtool_fecparam *fec)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info;
u8 active_fec;
u16 fec_cfg;
link_info = &bp->link_info;
fec_cfg = link_info->fec_cfg;
active_fec = link_info->active_fec_sig_mode &
PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK;
if (fec_cfg & BNXT_FEC_NONE) {
fec->fec = ETHTOOL_FEC_NONE;
fec->active_fec = ETHTOOL_FEC_NONE;
return 0;
}
if (fec_cfg & BNXT_FEC_AUTONEG)
fec->fec |= ETHTOOL_FEC_AUTO;
if (fec_cfg & BNXT_FEC_ENC_BASE_R)
fec->fec |= ETHTOOL_FEC_BASER;
if (fec_cfg & BNXT_FEC_ENC_RS)
fec->fec |= ETHTOOL_FEC_RS;
if (fec_cfg & BNXT_FEC_ENC_LLRS)
fec->fec |= ETHTOOL_FEC_LLRS;
switch (active_fec) {
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE:
fec->active_fec |= ETHTOOL_FEC_BASER;
break;
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE:
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE:
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE:
fec->active_fec |= ETHTOOL_FEC_RS;
break;
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE:
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE:
fec->active_fec |= ETHTOOL_FEC_LLRS;
break;
case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_NONE_ACTIVE:
fec->active_fec |= ETHTOOL_FEC_OFF;
break;
}
return 0;
}
static void bnxt_get_fec_stats(struct net_device *dev,
struct ethtool_fec_stats *fec_stats)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
return;
rx = bp->rx_port_stats_ext.sw_stats;
fec_stats->corrected_bits.total =
*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_corrected_bits));
if (bp->fw_rx_stats_ext_size <= BNXT_RX_STATS_EXT_NUM_LEGACY)
return;
fec_stats->corrected_blocks.total =
*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_fec_corrected_blocks));
fec_stats->uncorrectable_blocks.total =
*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_fec_uncorrectable_blocks));
}
static u32 bnxt_ethtool_forced_fec_to_fw(struct bnxt_link_info *link_info,
u32 fec)
{
u32 fw_fec = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE;
if (fec & ETHTOOL_FEC_BASER)
fw_fec |= BNXT_FEC_BASE_R_ON(link_info);
else if (fec & ETHTOOL_FEC_RS)
fw_fec |= BNXT_FEC_RS_ON(link_info);
else if (fec & ETHTOOL_FEC_LLRS)
fw_fec |= BNXT_FEC_LLRS_ON;
return fw_fec;
}
static int bnxt_set_fecparam(struct net_device *dev,
struct ethtool_fecparam *fecparam)
{
struct hwrm_port_phy_cfg_input *req;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info;
u32 new_cfg, fec = fecparam->fec;
u16 fec_cfg;
int rc;
link_info = &bp->link_info;
fec_cfg = link_info->fec_cfg;
if (fec_cfg & BNXT_FEC_NONE)
return -EOPNOTSUPP;
if (fec & ETHTOOL_FEC_OFF) {
new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE |
BNXT_FEC_ALL_OFF(link_info);
goto apply_fec;
}
if (((fec & ETHTOOL_FEC_AUTO) && !(fec_cfg & BNXT_FEC_AUTONEG_CAP)) ||
((fec & ETHTOOL_FEC_RS) && !(fec_cfg & BNXT_FEC_ENC_RS_CAP)) ||
((fec & ETHTOOL_FEC_LLRS) && !(fec_cfg & BNXT_FEC_ENC_LLRS_CAP)) ||
((fec & ETHTOOL_FEC_BASER) && !(fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)))
return -EINVAL;
if (fec & ETHTOOL_FEC_AUTO) {
if (!link_info->autoneg)
return -EINVAL;
new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_ENABLE;
} else {
new_cfg = bnxt_ethtool_forced_fec_to_fw(link_info, fec);
}
apply_fec:
rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
if (rc)
return rc;
req->flags = cpu_to_le32(new_cfg | PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
rc = hwrm_req_send(bp, req);
/* update current settings */
if (!rc) {
mutex_lock(&bp->link_lock);
bnxt_update_link(bp, false);
mutex_unlock(&bp->link_lock);
}
return rc;
}
static void bnxt_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (BNXT_VF(bp))
return;
epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
}
static void bnxt_get_pause_stats(struct net_device *dev,
struct ethtool_pause_stats *epstat)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx, *tx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
return;
rx = bp->port_stats.sw_stats;
tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames);
epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames);
}
static int bnxt_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (!BNXT_PHY_CFG_ABLE(bp) || (bp->phy_flags & BNXT_PHY_FL_NO_PAUSE))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
if (epause->autoneg) {
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
rc = -EINVAL;
goto pause_exit;
}
link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
link_info->req_flow_ctrl = 0;
} else {
/* when transition from auto pause to force pause,
* force a link change
*/
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
link_info->force_link_chng = true;
link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
link_info->req_flow_ctrl = 0;
}
if (epause->rx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
if (epause->tx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
if (netif_running(dev))
rc = bnxt_hwrm_set_pause(bp);
pause_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static u32 bnxt_get_link(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
/* TODO: handle MF, VF, driver close case */
return BNXT_LINK_IS_UP(bp);
}
int bnxt_hwrm_nvm_get_dev_info(struct bnxt *bp,
struct hwrm_nvm_get_dev_info_output *nvm_dev_info)
{
struct hwrm_nvm_get_dev_info_output *resp;
struct hwrm_nvm_get_dev_info_input *req;
int rc;
if (BNXT_VF(bp))
return -EOPNOTSUPP;
rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DEV_INFO);
if (rc)
return rc;
resp = hwrm_req_hold(bp, req);
rc = hwrm_req_send(bp, req);
if (!rc)
memcpy(nvm_dev_info, resp, sizeof(*resp));
hwrm_req_drop(bp, req);
return rc;
}
static void bnxt_print_admin_err(struct bnxt *bp)
{
netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
}
int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
u16 ext, u16 *index, u32 *item_length,
u32 *data_length);
int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
u32 dir_item_len, const u8 *data,
size_t data_len)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_nvm_write_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_NVM_WRITE);
if (rc)
return rc;
if (data_len && data) {
dma_addr_t dma_handle;
u8 *kmem;
kmem = hwrm_req_dma_slice(bp, req, data_len, &dma_handle);
if (!kmem) {
hwrm_req_drop(bp, req);
return -ENOMEM;
}
req->dir_data_length = cpu_to_le32(data_len);
memcpy(kmem, data, data_len);
req->host_src_addr = cpu_to_le64(dma_handle);
}
hwrm_req_timeout(bp, req, bp->hwrm_cmd_max_timeout);
req->dir_type = cpu_to_le16(dir_type);
req->dir_ordinal = cpu_to_le16(dir_ordinal);
req->dir_ext = cpu_to_le16(dir_ext);
req->dir_attr = cpu_to_le16(dir_attr);
req->dir_item_length = cpu_to_le32(dir_item_len);
rc = hwrm_req_send(bp, req);
if (rc == -EACCES)
bnxt_print_admin_err(bp);
return rc;
}
int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
u8 self_reset, u8 flags)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_fw_reset_input *req;
int rc;
if (!bnxt_hwrm_reset_permitted(bp)) {
netdev_warn(bp->dev, "Reset denied by firmware, it may be inhibited by remote driver");
return -EPERM;
}
rc = hwrm_req_init(bp, req, HWRM_FW_RESET);
if (rc)
return rc;
req->embedded_proc_type = proc_type;
req->selfrst_status = self_reset;
req->flags = flags;
if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
rc = hwrm_req_send_silent(bp, req);
} else {
rc = hwrm_req_send(bp, req);
if (rc == -EACCES)
bnxt_print_admin_err(bp);
}
return rc;
}
static int bnxt_firmware_reset(struct net_device *dev,
enum bnxt_nvm_directory_type dir_type)
{
u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
u8 proc_type, flags = 0;
/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
/* (e.g. when firmware isn't already running) */
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
/* Self-reset ChiMP upon next PCIe reset: */
self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
/* Self-reset APE upon next PCIe reset: */
self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
break;
case BNX_DIR_TYPE_BONO_FW:
case BNX_DIR_TYPE_BONO_PATCH:
proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
break;
default:
return -EINVAL;
}
return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
}
static int bnxt_firmware_reset_chip(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
u8 flags = 0;
if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
return bnxt_hwrm_firmware_reset(dev,
FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
flags);
}
static int bnxt_firmware_reset_ap(struct net_device *dev)
{
return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
0);
}
static int bnxt_flash_firmware(struct net_device *dev,
u16 dir_type,
const u8 *fw_data,
size_t fw_size)
{
int rc = 0;
u16 code_type;
u32 stored_crc;
u32 calculated_crc;
struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
switch (dir_type) {
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
code_type = CODE_BOOT;
break;
case BNX_DIR_TYPE_CHIMP_PATCH:
code_type = CODE_CHIMP_PATCH;
break;
case BNX_DIR_TYPE_APE_FW:
code_type = CODE_MCTP_PASSTHRU;
break;
case BNX_DIR_TYPE_APE_PATCH:
code_type = CODE_APE_PATCH;
break;
case BNX_DIR_TYPE_KONG_FW:
code_type = CODE_KONG_FW;
break;
case BNX_DIR_TYPE_KONG_PATCH:
code_type = CODE_KONG_PATCH;
break;
case BNX_DIR_TYPE_BONO_FW:
code_type = CODE_BONO_FW;
break;
case BNX_DIR_TYPE_BONO_PATCH:
code_type = CODE_BONO_PATCH;
break;
default:
netdev_err(dev, "Unsupported directory entry type: %u\n",
dir_type);
return -EINVAL;
}
if (fw_size < sizeof(struct bnxt_fw_header)) {
netdev_err(dev, "Invalid firmware file size: %u\n",
(unsigned int)fw_size);
return -EINVAL;
}
if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
netdev_err(dev, "Invalid firmware signature: %08X\n",
le32_to_cpu(header->signature));
return -EINVAL;
}
if (header->code_type != code_type) {
netdev_err(dev, "Expected firmware type: %d, read: %d\n",
code_type, header->code_type);
return -EINVAL;
}
if (header->device != DEVICE_CUMULUS_FAMILY) {
netdev_err(dev, "Expected firmware device family %d, read: %d\n",
DEVICE_CUMULUS_FAMILY, header->device);
return -EINVAL;
}
/* Confirm the CRC32 checksum of the file: */
stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
sizeof(stored_crc)));
calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
if (calculated_crc != stored_crc) {
netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
(unsigned long)stored_crc,
(unsigned long)calculated_crc);
return -EINVAL;
}
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, 0, fw_data, fw_size);
if (rc == 0) /* Firmware update successful */
rc = bnxt_firmware_reset(dev, dir_type);
return rc;
}
static int bnxt_flash_microcode(struct net_device *dev,
u16 dir_type,
const u8 *fw_data,
size_t fw_size)
{
struct bnxt_ucode_trailer *trailer;
u32 calculated_crc;
u32 stored_crc;
int rc = 0;
if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
netdev_err(dev, "Invalid microcode file size: %u\n",
(unsigned int)fw_size);
return -EINVAL;
}
trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
sizeof(*trailer)));
if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
le32_to_cpu(trailer->sig));
return -EINVAL;
}
if (le16_to_cpu(trailer->dir_type) != dir_type) {
netdev_err(dev, "Expected microcode type: %d, read: %d\n",
dir_type, le16_to_cpu(trailer->dir_type));
return -EINVAL;
}
if (le16_to_cpu(trailer->trailer_length) <
sizeof(struct bnxt_ucode_trailer)) {
netdev_err(dev, "Invalid microcode trailer length: %d\n",
le16_to_cpu(trailer->trailer_length));
return -EINVAL;
}
/* Confirm the CRC32 checksum of the file: */
stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
sizeof(stored_crc)));
calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
if (calculated_crc != stored_crc) {
netdev_err(dev,
"CRC32 (%08lX) does not match calculated: %08lX\n",
(unsigned long)stored_crc,
(unsigned long)calculated_crc);
return -EINVAL;
}
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, 0, fw_data, fw_size);
return rc;
}
static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
case BNX_DIR_TYPE_BONO_FW:
case BNX_DIR_TYPE_BONO_PATCH:
return true;
}
return false;
}
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_AVS:
case BNX_DIR_TYPE_EXP_ROM_MBA:
case BNX_DIR_TYPE_PCIE:
case BNX_DIR_TYPE_TSCF_UCODE:
case BNX_DIR_TYPE_EXT_PHY:
case BNX_DIR_TYPE_CCM:
case BNX_DIR_TYPE_ISCSI_BOOT:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
return true;
}
return false;
}
static bool bnxt_dir_type_is_executable(u16 dir_type)
{
return bnxt_dir_type_is_ape_bin_format(dir_type) ||
bnxt_dir_type_is_other_exec_format(dir_type);
}
static int bnxt_flash_firmware_from_file(struct net_device *dev,
u16 dir_type,
const char *filename)
{
const struct firmware *fw;
int rc;
rc = request_firmware(&fw, filename, &dev->dev);
if (rc != 0) {
netdev_err(dev, "Error %d requesting firmware file: %s\n",
rc, filename);
return rc;
}
if (bnxt_dir_type_is_ape_bin_format(dir_type))
rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
else if (bnxt_dir_type_is_other_exec_format(dir_type))
rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
else
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, 0, fw->data, fw->size);
release_firmware(fw);
return rc;
}
#define MSG_INTEGRITY_ERR "PKG install error : Data integrity on NVM"
#define MSG_INVALID_PKG "PKG install error : Invalid package"
#define MSG_AUTHENTICATION_ERR "PKG install error : Authentication error"
#define MSG_INVALID_DEV "PKG install error : Invalid device"
#define MSG_INTERNAL_ERR "PKG install error : Internal error"
#define MSG_NO_PKG_UPDATE_AREA_ERR "PKG update area not created in nvram"
#define MSG_NO_SPACE_ERR "PKG insufficient update area in nvram"
#define MSG_RESIZE_UPDATE_ERR "Resize UPDATE entry error"
#define MSG_ANTI_ROLLBACK_ERR "HWRM_NVM_INSTALL_UPDATE failure due to Anti-rollback detected"
#define MSG_GENERIC_FAILURE_ERR "HWRM_NVM_INSTALL_UPDATE failure"
static int nvm_update_err_to_stderr(struct net_device *dev, u8 result,
struct netlink_ext_ack *extack)
{
switch (result) {
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TYPE_PARAMETER:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_INDEX_PARAMETER:
case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_DATA_ERROR:
case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_CHECKSUM_ERROR:
case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_NOT_FOUND:
case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_LOCKED:
BNXT_NVM_ERR_MSG(dev, extack, MSG_INTEGRITY_ERR);
return -EINVAL;
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PREREQUISITE:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_FILE_HEADER:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_SIGNATURE:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_STREAM:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_LENGTH:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_MANIFEST:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TRAILER:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_CHECKSUM:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_ITEM_CHECKSUM:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DATA_LENGTH:
case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DIRECTIVE:
case NVM_INSTALL_UPDATE_RESP_RESULT_DUPLICATE_ITEM:
case NVM_INSTALL_UPDATE_RESP_RESULT_ZERO_LENGTH_ITEM:
BNXT_NVM_ERR_MSG(dev, extack, MSG_INVALID_PKG);
return -ENOPKG;
case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_AUTHENTICATION_ERROR:
BNXT_NVM_ERR_MSG(dev, extack, MSG_AUTHENTICATION_ERR);
return -EPERM;
case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_CHIP_REV:
case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_DEVICE_ID:
case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_VENDOR:
case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_ID:
case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_PLATFORM:
BNXT_NVM_ERR_MSG(dev, extack, MSG_INVALID_DEV);
return -EOPNOTSUPP;
default:
BNXT_NVM_ERR_MSG(dev, extack, MSG_INTERNAL_ERR);
return -EIO;
}
}
#define BNXT_PKG_DMA_SIZE 0x40000
#define BNXT_NVM_MORE_FLAG (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_MODE))
#define BNXT_NVM_LAST_FLAG (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_LAST))
static int bnxt_resize_update_entry(struct net_device *dev, size_t fw_size,
struct netlink_ext_ack *extack)
{
u32 item_len;
int rc;
rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, NULL,
&item_len, NULL);
if (rc) {
BNXT_NVM_ERR_MSG(dev, extack, MSG_NO_PKG_UPDATE_AREA_ERR);
return rc;
}
if (fw_size > item_len) {
rc = bnxt_flash_nvram(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST, 0, 1,
round_up(fw_size, 4096), NULL, 0);
if (rc) {
BNXT_NVM_ERR_MSG(dev, extack, MSG_RESIZE_UPDATE_ERR);
return rc;
}
}
return 0;
}
int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware *fw,
u32 install_type, struct netlink_ext_ack *extack)
{
struct hwrm_nvm_install_update_input *install;
struct hwrm_nvm_install_update_output *resp;
struct hwrm_nvm_modify_input *modify;
struct bnxt *bp = netdev_priv(dev);
bool defrag_attempted = false;
dma_addr_t dma_handle;
u8 *kmem = NULL;
u32 modify_len;
u32 item_len;
u8 cmd_err;
u16 index;
int rc;
/* resize before flashing larger image than available space */
rc = bnxt_resize_update_entry(dev, fw->size, extack);
if (rc)
return rc;
bnxt_hwrm_fw_set_time(bp);
rc = hwrm_req_init(bp, modify, HWRM_NVM_MODIFY);
if (rc)
return rc;
/* Try allocating a large DMA buffer first. Older fw will
* cause excessive NVRAM erases when using small blocks.
*/
modify_len = roundup_pow_of_two(fw->size);
modify_len = min_t(u32, modify_len, BNXT_PKG_DMA_SIZE);
while (1) {
kmem = hwrm_req_dma_slice(bp, modify, modify_len, &dma_handle);
if (!kmem && modify_len > PAGE_SIZE)
modify_len /= 2;
else
break;
}
if (!kmem) {
hwrm_req_drop(bp, modify);
return -ENOMEM;
}
rc = hwrm_req_init(bp, install, HWRM_NVM_INSTALL_UPDATE);
if (rc) {
hwrm_req_drop(bp, modify);
return rc;
}
hwrm_req_timeout(bp, modify, bp->hwrm_cmd_max_timeout);
hwrm_req_timeout(bp, install, bp->hwrm_cmd_max_timeout);
hwrm_req_hold(bp, modify);
modify->host_src_addr = cpu_to_le64(dma_handle);
resp = hwrm_req_hold(bp, install);
if ((install_type & 0xffff) == 0)
install_type >>= 16;
install->install_type = cpu_to_le32(install_type);
do {
u32 copied = 0, len = modify_len;
rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST,
BNX_DIR_EXT_NONE,
&index, &item_len, NULL);
if (rc) {
BNXT_NVM_ERR_MSG(dev, extack, MSG_NO_PKG_UPDATE_AREA_ERR);
break;
}
if (fw->size > item_len) {
BNXT_NVM_ERR_MSG(dev, extack, MSG_NO_SPACE_ERR);
rc = -EFBIG;
break;
}
modify->dir_idx = cpu_to_le16(index);
if (fw->size > modify_len)
modify->flags = BNXT_NVM_MORE_FLAG;
while (copied < fw->size) {
u32 balance = fw->size - copied;
if (balance <= modify_len) {
len = balance;
if (copied)
modify->flags |= BNXT_NVM_LAST_FLAG;
}
memcpy(kmem, fw->data + copied, len);
modify->len = cpu_to_le32(len);
modify->offset = cpu_to_le32(copied);
rc = hwrm_req_send(bp, modify);
if (rc)
goto pkg_abort;
copied += len;
}
rc = hwrm_req_send_silent(bp, install);
if (!rc)
break;
if (defrag_attempted) {
/* We have tried to defragment already in the previous
* iteration. Return with the result for INSTALL_UPDATE
*/
break;
}
cmd_err = ((struct hwrm_err_output *)resp)->cmd_err;
switch (cmd_err) {
case NVM_INSTALL_UPDATE_CMD_ERR_CODE_ANTI_ROLLBACK:
BNXT_NVM_ERR_MSG(dev, extack, MSG_ANTI_ROLLBACK_ERR);
rc = -EALREADY;
break;
case NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR:
install->flags =
cpu_to_le16(NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
rc = hwrm_req_send_silent(bp, install);
if (!rc)
break;
cmd_err = ((struct hwrm_err_output *)resp)->cmd_err;
if (cmd_err == NVM_INSTALL_UPDATE_CMD_ERR_CODE_NO_SPACE) {
/* FW has cleared NVM area, driver will create
* UPDATE directory and try the flash again
*/
defrag_attempted = true;
install->flags = 0;
rc = bnxt_flash_nvram(bp->dev,
BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST,
0, 0, item_len, NULL, 0);
if (!rc)
break;
}
fallthrough;
default:
BNXT_NVM_ERR_MSG(dev, extack, MSG_GENERIC_FAILURE_ERR);
}
} while (defrag_attempted && !rc);
pkg_abort:
hwrm_req_drop(bp, modify);
hwrm_req_drop(bp, install);
if (resp->result) {
netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
(s8)resp->result, (int)resp->problem_item);
rc = nvm_update_err_to_stderr(dev, resp->result, extack);
}
if (rc == -EACCES)
bnxt_print_admin_err(bp);
return rc;
}
static int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
u32 install_type, struct netlink_ext_ack *extack)
{
const struct firmware *fw;
int rc;
rc = request_firmware(&fw, filename, &dev->dev);
if (rc != 0) {
netdev_err(dev, "PKG error %d requesting file: %s\n",
rc, filename);
return rc;
}
rc = bnxt_flash_package_from_fw_obj(dev, fw, install_type, extack);
release_firmware(fw);
return rc;
}
static int bnxt_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
netdev_err(dev, "flashdev not supported from a virtual function\n");
return -EINVAL;
}
if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
flash->region > 0xffff)
return bnxt_flash_package_from_file(dev, flash->data,
flash->region, NULL);
return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
}
static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
{
struct hwrm_nvm_get_dir_info_output *output;
struct hwrm_nvm_get_dir_info_input *req;
struct bnxt *bp = netdev_priv(dev);
int rc;
rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_INFO);
if (rc)
return rc;
output = hwrm_req_hold(bp, req);
rc = hwrm_req_send(bp, req);
if (!rc) {
*entries = le32_to_cpu(output->entries);
*length = le32_to_cpu(output->entry_length);
}
hwrm_req_drop(bp, req);
return rc;
}
static int bnxt_get_eeprom_len(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
if (BNXT_VF(bp))
return 0;
/* The -1 return value allows the entire 32-bit range of offsets to be
* passed via the ethtool command-line utility.
*/
return -1;
}
static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u32 dir_entries;
u32 entry_length;
u8 *buf;
size_t buflen;
dma_addr_t dma_handle;
struct hwrm_nvm_get_dir_entries_input *req;
rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
if (rc != 0)
return rc;
if (!dir_entries || !entry_length)
return -EIO;
/* Insert 2 bytes of directory info (count and size of entries) */
if (len < 2)
return -EINVAL;
*data++ = dir_entries;
*data++ = entry_length;
len -= 2;
memset(data, 0xff, len);
rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_ENTRIES);
if (rc)
return rc;
buflen = dir_entries * entry_length;
buf = hwrm_req_dma_slice(bp, req, buflen, &dma_handle);
if (!buf) {
hwrm_req_drop(bp, req);
return -ENOMEM;
}
req->host_dest_addr = cpu_to_le64(dma_handle);
hwrm_req_hold(bp, req); /* hold the slice */
rc = hwrm_req_send(bp, req);
if (rc == 0)
memcpy(data, buf, len > buflen ? buflen : len);
hwrm_req_drop(bp, req);
return rc;
}
int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
u32 length, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u8 *buf;
dma_addr_t dma_handle;
struct hwrm_nvm_read_input *req;
if (!length)
return -EINVAL;
rc = hwrm_req_init(bp, req, HWRM_NVM_READ);
if (rc)
return rc;
buf = hwrm_req_dma_slice(bp, req, length, &dma_handle);
if (!buf) {
hwrm_req_drop(bp, req);
return -ENOMEM;
}
req->host_dest_addr = cpu_to_le64(dma_handle);
req->dir_idx = cpu_to_le16(index);
req->offset = cpu_to_le32(offset);
req->len = cpu_to_le32(length);
hwrm_req_hold(bp, req); /* hold the slice */
rc = hwrm_req_send(bp, req);
if (rc == 0)
memcpy(data, buf, length);
hwrm_req_drop(bp, req);
return rc;
}
int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
u16 ext, u16 *index, u32 *item_length,
u32 *data_length)
{
struct hwrm_nvm_find_dir_entry_output *output;
struct hwrm_nvm_find_dir_entry_input *req;
struct bnxt *bp = netdev_priv(dev);
int rc;
rc = hwrm_req_init(bp, req, HWRM_NVM_FIND_DIR_ENTRY);
if (rc)
return rc;
req->enables = 0;
req->dir_idx = 0;
req->dir_type = cpu_to_le16(type);
req->dir_ordinal = cpu_to_le16(ordinal);
req->dir_ext = cpu_to_le16(ext);
req->opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
output = hwrm_req_hold(bp, req);
rc = hwrm_req_send_silent(bp, req);
if (rc == 0) {
if (index)
*index = le16_to_cpu(output->dir_idx);
if (item_length)
*item_length = le32_to_cpu(output->dir_item_length);
if (data_length)
*data_length = le32_to_cpu(output->dir_data_length);
}
hwrm_req_drop(bp, req);
return rc;
}
static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
{
char *retval = NULL;
char *p;
char *value;
int field = 0;
if (datalen < 1)
return NULL;
/* null-terminate the log data (removing last '\n'): */
data[datalen - 1] = 0;
for (p = data; *p != 0; p++) {
field = 0;
retval = NULL;
while (*p != 0 && *p != '\n') {
value = p;
while (*p != 0 && *p != '\t' && *p != '\n')
p++;
if (field == desired_field)
retval = value;
if (*p != '\t')
break;
*p = 0;
field++;
p++;
}
if (*p == 0)
break;
*p = 0;
}
return retval;
}
int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size)
{
struct bnxt *bp = netdev_priv(dev);
u16 index = 0;
char *pkgver;
u32 pkglen;
u8 *pkgbuf;
int rc;
rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
&index, NULL, &pkglen);
if (rc)
return rc;
pkgbuf = kzalloc(pkglen, GFP_KERNEL);
if (!pkgbuf) {
dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
pkglen);
return -ENOMEM;
}
rc = bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf);
if (rc)
goto err;
pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
pkglen);
if (pkgver && *pkgver != 0 && isdigit(*pkgver))
strscpy(ver, pkgver, size);
else
rc = -ENOENT;
err:
kfree(pkgbuf);
return rc;
}
static void bnxt_get_pkgver(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
char buf[FW_VER_STR_LEN];
int len;
if (!bnxt_get_pkginfo(dev, buf, sizeof(buf))) {
len = strlen(bp->fw_ver_str);
snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
"/pkg %s", buf);
}
}
static int bnxt_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
u32 index;
u32 offset;
if (eeprom->offset == 0) /* special offset value to get directory */
return bnxt_get_nvram_directory(dev, eeprom->len, data);
index = eeprom->offset >> 24;
offset = eeprom->offset & 0xffffff;
if (index == 0) {
netdev_err(dev, "unsupported index value: %d\n", index);
return -EINVAL;
}
return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
}
static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
{
struct hwrm_nvm_erase_dir_entry_input *req;
struct bnxt *bp = netdev_priv(dev);
int rc;
rc = hwrm_req_init(bp, req, HWRM_NVM_ERASE_DIR_ENTRY);
if (rc)
return rc;
req->dir_idx = cpu_to_le16(index);
return hwrm_req_send(bp, req);
}
static int bnxt_set_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
u8 index, dir_op;
u16 type, ext, ordinal, attr;
if (!BNXT_PF(bp)) {
netdev_err(dev, "NVM write not supported from a virtual function\n");
return -EINVAL;
}
type = eeprom->magic >> 16;
if (type == 0xffff) { /* special value for directory operations */
index = eeprom->magic & 0xff;
dir_op = eeprom->magic >> 8;
if (index == 0)
return -EINVAL;
switch (dir_op) {
case 0x0e: /* erase */
if (eeprom->offset != ~eeprom->magic)
return -EINVAL;
return bnxt_erase_nvram_directory(dev, index - 1);
default:
return -EINVAL;
}
}
/* Create or re-write an NVM item: */
if (bnxt_dir_type_is_executable(type))
return -EOPNOTSUPP;
ext = eeprom->magic & 0xffff;
ordinal = eeprom->offset >> 16;
attr = eeprom->offset & 0xffff;
return bnxt_flash_nvram(dev, type, ordinal, ext, attr, 0, data,
eeprom->len);
}
static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnxt *bp = netdev_priv(dev);
struct ethtool_eee *eee = &bp->eee;
struct bnxt_link_info *link_info = &bp->link_info;
u32 advertising;
int rc = 0;
if (!BNXT_PHY_CFG_ABLE(bp))
return -EOPNOTSUPP;
if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
if (!edata->eee_enabled)
goto eee_ok;
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
netdev_warn(dev, "EEE requires autoneg\n");
rc = -EINVAL;
goto eee_exit;
}
if (edata->tx_lpi_enabled) {
if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
bp->lpi_tmr_lo, bp->lpi_tmr_hi);
rc = -EINVAL;
goto eee_exit;
} else if (!bp->lpi_tmr_hi) {
edata->tx_lpi_timer = eee->tx_lpi_timer;
}
}
if (!edata->advertised) {
edata->advertised = advertising & eee->supported;
} else if (edata->advertised & ~advertising) {
netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
edata->advertised, advertising);
rc = -EINVAL;
goto eee_exit;
}
eee->advertised = edata->advertised;
eee->tx_lpi_enabled = edata->tx_lpi_enabled;
eee->tx_lpi_timer = edata->tx_lpi_timer;
eee_ok:
eee->eee_enabled = edata->eee_enabled;
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, false, true);
eee_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnxt *bp = netdev_priv(dev);
if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
return -EOPNOTSUPP;
*edata = bp->eee;
if (!bp->eee.eee_enabled) {
/* Preserve tx_lpi_timer so that the last value will be used
* by default when it is re-enabled.
*/
edata->advertised = 0;
edata->tx_lpi_enabled = 0;
}
if (!bp->eee.eee_active)
edata->lp_advertised = 0;
return 0;
}
static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
u16 page_number, u8 bank,
u16 start_addr, u16 data_length,
u8 *buf)
{
struct hwrm_port_phy_i2c_read_output *output;
struct hwrm_port_phy_i2c_read_input *req;
int rc, byte_offset = 0;
rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_I2C_READ);
if (rc)
return rc;
output = hwrm_req_hold(bp, req);
req->i2c_slave_addr = i2c_addr;
req->page_number = cpu_to_le16(page_number);
req->port_id = cpu_to_le16(bp->pf.port_id);
do {
u16 xfer_size;
xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
data_length -= xfer_size;
req->page_offset = cpu_to_le16(start_addr + byte_offset);
req->data_length = xfer_size;
req->enables =
cpu_to_le32((start_addr + byte_offset ?
PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET :
0) |
(bank ?
PORT_PHY_I2C_READ_REQ_ENABLES_BANK_NUMBER :
0));
rc = hwrm_req_send(bp, req);
if (!rc)
memcpy(buf + byte_offset, output->data, xfer_size);
byte_offset += xfer_size;
} while (!rc && data_length > 0);
hwrm_req_drop(bp, req);
return rc;
}
static int bnxt_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
struct bnxt *bp = netdev_priv(dev);
int rc;
/* No point in going further if phy status indicates
* module is not inserted or if it is powered down or
* if it is of type 10GBase-T
*/
if (bp->link_info.module_status >
PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
return -EOPNOTSUPP;
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code < 0x10202)
return -EOPNOTSUPP;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0, 0,
SFF_DIAG_SUPPORT_OFFSET + 1,
data);
if (!rc) {
u8 module_id = data[0];
u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
switch (module_id) {
case SFF_MODULE_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
if (!diag_supported)
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case SFF_MODULE_ID_QSFP:
case SFF_MODULE_ID_QSFP_PLUS:
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case SFF_MODULE_ID_QSFP28:
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
break;
default:
rc = -EOPNOTSUPP;
break;
}
}
return rc;
}
static int bnxt_get_module_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
u16 start = eeprom->offset, length = eeprom->len;
int rc = 0;
memset(data, 0, eeprom->len);
/* Read A0 portion of the EEPROM */
if (start < ETH_MODULE_SFF_8436_LEN) {
if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
length = ETH_MODULE_SFF_8436_LEN - start;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
start, length, data);
if (rc)
return rc;
start += length;
data += length;
length = eeprom->len - length;
}
/* Read A2 portion of the EEPROM */
if (length) {
start -= ETH_MODULE_SFF_8436_LEN;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 0, 0,
start, length, data);
}
return rc;
}
static int bnxt_get_module_status(struct bnxt *bp, struct netlink_ext_ack *extack)
{
if (bp->link_info.module_status <=
PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
return 0;
switch (bp->link_info.module_status) {
case PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN:
NL_SET_ERR_MSG_MOD(extack, "Transceiver module is powering down");
break;
case PORT_PHY_QCFG_RESP_MODULE_STATUS_NOTINSERTED:
NL_SET_ERR_MSG_MOD(extack, "Transceiver module not inserted");
break;
case PORT_PHY_QCFG_RESP_MODULE_STATUS_CURRENTFAULT:
NL_SET_ERR_MSG_MOD(extack, "Transceiver module disabled due to current fault");
break;
default:
NL_SET_ERR_MSG_MOD(extack, "Unknown error");
break;
}
return -EINVAL;
}
static int bnxt_get_module_eeprom_by_page(struct net_device *dev,
const struct ethtool_module_eeprom *page_data,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
rc = bnxt_get_module_status(bp, extack);
if (rc)
return rc;
if (bp->hwrm_spec_code < 0x10202) {
NL_SET_ERR_MSG_MOD(extack, "Firmware version too old");
return -EINVAL;
}
if (page_data->bank && !(bp->phy_flags & BNXT_PHY_FL_BANK_SEL)) {
NL_SET_ERR_MSG_MOD(extack, "Firmware not capable for bank selection");
return -EINVAL;
}
rc = bnxt_read_sfp_module_eeprom_info(bp, page_data->i2c_address << 1,
page_data->page, page_data->bank,
page_data->offset,
page_data->length,
page_data->data);
if (rc) {
NL_SET_ERR_MSG_MOD(extack, "Module`s eeprom read failed");
return rc;
}
return page_data->length;
}
static int bnxt_nway_reset(struct net_device *dev)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (!BNXT_PHY_CFG_ABLE(bp))
return -EOPNOTSUPP;
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
return -EINVAL;
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, true, false);
return rc;
}
static int bnxt_set_phys_id(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct hwrm_port_led_cfg_input *req;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_pf_info *pf = &bp->pf;
struct bnxt_led_cfg *led_cfg;
u8 led_state;
__le16 duration;
int rc, i;
if (!bp->num_leds || BNXT_VF(bp))
return -EOPNOTSUPP;
if (state == ETHTOOL_ID_ACTIVE) {
led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
duration = cpu_to_le16(500);
} else if (state == ETHTOOL_ID_INACTIVE) {
led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
duration = cpu_to_le16(0);
} else {
return -EINVAL;
}
rc = hwrm_req_init(bp, req, HWRM_PORT_LED_CFG);
if (rc)
return rc;
req->port_id = cpu_to_le16(pf->port_id);
req->num_leds = bp->num_leds;
led_cfg = (struct bnxt_led_cfg *)&req->led0_id;
for (i = 0; i < bp->num_leds; i++, led_cfg++) {
req->enables |= BNXT_LED_DFLT_ENABLES(i);
led_cfg->led_id = bp->leds[i].led_id;
led_cfg->led_state = led_state;
led_cfg->led_blink_on = duration;
led_cfg->led_blink_off = duration;
led_cfg->led_group_id = bp->leds[i].led_group_id;
}
return hwrm_req_send(bp, req);
}
static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
{
struct hwrm_selftest_irq_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_SELFTEST_IRQ);
if (rc)
return rc;
req->cmpl_ring = cpu_to_le16(cmpl_ring);
return hwrm_req_send(bp, req);
}
static int bnxt_test_irq(struct bnxt *bp)
{
int i;
for (i = 0; i < bp->cp_nr_rings; i++) {
u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
int rc;
rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
if (rc)
return rc;
}
return 0;
}
static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
{
struct hwrm_port_mac_cfg_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG);
if (rc)
return rc;
req->enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
if (enable)
req->lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
else
req->lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
return hwrm_req_send(bp, req);
}
static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
{
struct hwrm_port_phy_qcaps_output *resp;
struct hwrm_port_phy_qcaps_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_QCAPS);
if (rc)
return rc;
resp = hwrm_req_hold(bp, req);
rc = hwrm_req_send(bp, req);
if (!rc)
*force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
hwrm_req_drop(bp, req);
return rc;
}
static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
struct hwrm_port_phy_cfg_input *req)
{
struct bnxt_link_info *link_info = &bp->link_info;
u16 fw_advertising;
u16 fw_speed;
int rc;
if (!link_info->autoneg ||
(bp->phy_flags & BNXT_PHY_FL_AN_PHY_LPBK))
return 0;
rc = bnxt_query_force_speeds(bp, &fw_advertising);
if (rc)
return rc;
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
if (BNXT_LINK_IS_UP(bp))
fw_speed = bp->link_info.link_speed;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
req->force_link_speed = cpu_to_le16(fw_speed);
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
rc = hwrm_req_send(bp, req);
req->flags = 0;
req->force_link_speed = cpu_to_le16(0);
return rc;
}
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
{
struct hwrm_port_phy_cfg_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
if (rc)
return rc;
/* prevent bnxt_disable_an_for_lpbk() from consuming the request */
hwrm_req_hold(bp, req);
if (enable) {
bnxt_disable_an_for_lpbk(bp, req);
if (ext)
req->lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
else
req->lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
} else {
req->lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
}
req->enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
rc = hwrm_req_send(bp, req);
hwrm_req_drop(bp, req);
return rc;
}
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
u32 raw_cons, int pkt_size)
{
struct bnxt_napi *bnapi = cpr->bnapi;
struct bnxt_rx_ring_info *rxr;
struct bnxt_sw_rx_bd *rx_buf;
struct rx_cmp *rxcmp;
u16 cp_cons, cons;
u8 *data;
u32 len;
int i;
rxr = bnapi->rx_ring;
cp_cons = RING_CMP(raw_cons);
rxcmp = (struct rx_cmp *)
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
cons = rxcmp->rx_cmp_opaque;
rx_buf = &rxr->rx_buf_ring[cons];
data = rx_buf->data_ptr;
len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
if (len != pkt_size)
return -EIO;
i = ETH_ALEN;
if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
return -EIO;
i += ETH_ALEN;
for ( ; i < pkt_size; i++) {
if (data[i] != (u8)(i & 0xff))
return -EIO;
}
return 0;
}
static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
int pkt_size)
{
struct tx_cmp *txcmp;
int rc = -EIO;
u32 raw_cons;
u32 cons;
int i;
raw_cons = cpr->cp_raw_cons;
for (i = 0; i < 200; i++) {
cons = RING_CMP(raw_cons);
txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
if (!TX_CMP_VALID(txcmp, raw_cons)) {
udelay(5);
continue;
}
/* The valid test of the entry must be done first before
* reading any further.
*/
dma_rmb();
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
raw_cons = NEXT_RAW_CMP(raw_cons);
raw_cons = NEXT_RAW_CMP(raw_cons);
break;
}
raw_cons = NEXT_RAW_CMP(raw_cons);
}
cpr->cp_raw_cons = raw_cons;
return rc;
}
static int bnxt_run_loopback(struct bnxt *bp)
{
struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
struct bnxt_cp_ring_info *cpr;
int pkt_size, i = 0;
struct sk_buff *skb;
dma_addr_t map;
u8 *data;
int rc;
cpr = &rxr->bnapi->cp_ring;
if (bp->flags & BNXT_FLAG_CHIP_P5)
cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
skb = netdev_alloc_skb(bp->dev, pkt_size);
if (!skb)
return -ENOMEM;
data = skb_put(skb, pkt_size);
ether_addr_copy(&data[i], bp->dev->dev_addr);
i += ETH_ALEN;
ether_addr_copy(&data[i], bp->dev->dev_addr);
i += ETH_ALEN;
for ( ; i < pkt_size; i++)
data[i] = (u8)(i & 0xff);
map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
DMA_TO_DEVICE);
if (dma_mapping_error(&bp->pdev->dev, map)) {
dev_kfree_skb(skb);
return -EIO;
}
bnxt_xmit_bd(bp, txr, map, pkt_size, NULL);
/* Sync BD data before updating doorbell */
wmb();
bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
rc = bnxt_poll_loopback(bp, cpr, pkt_size);
dma_unmap_single(&bp->pdev->dev, map, pkt_size, DMA_TO_DEVICE);
dev_kfree_skb(skb);
return rc;
}
static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
{
struct hwrm_selftest_exec_output *resp;
struct hwrm_selftest_exec_input *req;
int rc;
rc = hwrm_req_init(bp, req, HWRM_SELFTEST_EXEC);
if (rc)
return rc;
hwrm_req_timeout(bp, req, bp->test_info->timeout);
req->flags = test_mask;
resp = hwrm_req_hold(bp, req);
rc = hwrm_req_send(bp, req);
*test_results = resp->test_success;
hwrm_req_drop(bp, req);
return rc;
}
#define BNXT_DRV_TESTS 4
#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
#define BNXT_EXTLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 3)
static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *buf)
{
struct bnxt *bp = netdev_priv(dev);
bool do_ext_lpbk = false;
bool offline = false;
u8 test_results = 0;
u8 test_mask = 0;
int rc = 0, i;
if (!bp->num_tests || !BNXT_PF(bp))
return;
memset(buf, 0, sizeof(u64) * bp->num_tests);
if (!netif_running(dev)) {
etest->flags |= ETH_TEST_FL_FAILED;
return;
}
if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
(bp->phy_flags & BNXT_PHY_FL_EXT_LPBK))
do_ext_lpbk = true;
if (etest->flags & ETH_TEST_FL_OFFLINE) {
if (bp->pf.active_vfs || !BNXT_SINGLE_PF(bp)) {
etest->flags |= ETH_TEST_FL_FAILED;
netdev_warn(dev, "Offline tests cannot be run with active VFs or on shared PF\n");
return;
}
offline = true;
}
for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
u8 bit_val = 1 << i;
if (!(bp->test_info->offline_mask & bit_val))
test_mask |= bit_val;
else if (offline)
test_mask |= bit_val;
}
if (!offline) {
bnxt_run_fw_tests(bp, test_mask, &test_results);
} else {
bnxt_ulp_stop(bp);
rc = bnxt_close_nic(bp, true, false);
if (rc) {
etest->flags |= ETH_TEST_FL_FAILED;
bnxt_ulp_start(bp, rc);
return;
}
bnxt_run_fw_tests(bp, test_mask, &test_results);
buf[BNXT_MACLPBK_TEST_IDX] = 1;
bnxt_hwrm_mac_loopback(bp, true);
msleep(250);
rc = bnxt_half_open_nic(bp);
if (rc) {
bnxt_hwrm_mac_loopback(bp, false);
etest->flags |= ETH_TEST_FL_FAILED;
bnxt_ulp_start(bp, rc);
return;
}
if (bnxt_run_loopback(bp))
etest->flags |= ETH_TEST_FL_FAILED;
else
buf[BNXT_MACLPBK_TEST_IDX] = 0;
bnxt_hwrm_mac_loopback(bp, false);
bnxt_hwrm_phy_loopback(bp, true, false);
msleep(1000);
if (bnxt_run_loopback(bp)) {
buf[BNXT_PHYLPBK_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (do_ext_lpbk) {
etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
bnxt_hwrm_phy_loopback(bp, true, true);
msleep(1000);
if (bnxt_run_loopback(bp)) {
buf[BNXT_EXTLPBK_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
bnxt_hwrm_phy_loopback(bp, false, false);
bnxt_half_close_nic(bp);
rc = bnxt_open_nic(bp, true, true);
bnxt_ulp_start(bp, rc);
}
if (rc || bnxt_test_irq(bp)) {
buf[BNXT_IRQ_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
u8 bit_val = 1 << i;
if ((test_mask & bit_val) && !(test_results & bit_val)) {
buf[i] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
}
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
struct bnxt *bp = netdev_priv(dev);
bool reload = false;
u32 req = *flags;
if (!req)
return -EINVAL;
if (!BNXT_PF(bp)) {
netdev_err(dev, "Reset is not supported from a VF\n");
return -EOPNOTSUPP;
}
if (pci_vfs_assigned(bp->pdev) &&
!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
netdev_err(dev,
"Reset not allowed when VFs are assigned to VMs\n");
return -EBUSY;
}
if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code >= 0x10803) {
if (!bnxt_firmware_reset_chip(dev)) {
netdev_info(dev, "Firmware reset request successful.\n");
if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
reload = true;
*flags &= ~BNXT_FW_RESET_CHIP;
}
} else if (req == BNXT_FW_RESET_CHIP) {
return -EOPNOTSUPP; /* only request, fail hard */
}
}
if (req & BNXT_FW_RESET_AP) {
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code >= 0x10803) {
if (!bnxt_firmware_reset_ap(dev)) {
netdev_info(dev, "Reset application processor successful.\n");
reload = true;
*flags &= ~BNXT_FW_RESET_AP;
}
} else if (req == BNXT_FW_RESET_AP) {
return -EOPNOTSUPP; /* only request, fail hard */
}
}
if (reload)
netdev_info(dev, "Reload driver to complete reset\n");
return 0;
}
static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
{
struct bnxt *bp = netdev_priv(dev);
if (dump->flag > BNXT_DUMP_CRASH) {
netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
return -EINVAL;
}
if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
return -EOPNOTSUPP;
}
bp->dump_flag = dump->flag;
return 0;
}
static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->hwrm_spec_code < 0x10801)
return -EOPNOTSUPP;
dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
bp->ver_resp.hwrm_fw_min_8b << 16 |
bp->ver_resp.hwrm_fw_bld_8b << 8 |
bp->ver_resp.hwrm_fw_rsvd_8b;
dump->flag = bp->dump_flag;
dump->len = bnxt_get_coredump_length(bp, bp->dump_flag);
return 0;
}
static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
void *buf)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->hwrm_spec_code < 0x10801)
return -EOPNOTSUPP;
memset(buf, 0, dump->len);
dump->flag = bp->dump_flag;
return bnxt_get_coredump(bp, dump->flag, buf, &dump->len);
}
static int bnxt_get_ts_info(struct net_device *dev,
struct ethtool_ts_info *info)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_ptp_cfg *ptp;
ptp = bp->ptp_cfg;
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
if (!ptp)
return 0;
info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
if (ptp->ptp_clock)
info->phc_index = ptp_clock_index(ptp->ptp_clock);
info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
(1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
if (bp->fw_cap & BNXT_FW_CAP_RX_ALL_PKT_TS)
info->rx_filters |= (1 << HWTSTAMP_FILTER_ALL);
return 0;
}
void bnxt_ethtool_init(struct bnxt *bp)
{
struct hwrm_selftest_qlist_output *resp;
struct hwrm_selftest_qlist_input *req;
struct bnxt_test_info *test_info;
struct net_device *dev = bp->dev;
int i, rc;
if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
bnxt_get_pkgver(dev);
bp->num_tests = 0;
if (bp->hwrm_spec_code < 0x10704 || !BNXT_PF(bp))
return;
test_info = bp->test_info;
if (!test_info) {
test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
if (!test_info)
return;
bp->test_info = test_info;
}
if (hwrm_req_init(bp, req, HWRM_SELFTEST_QLIST))
return;
resp = hwrm_req_hold(bp, req);
rc = hwrm_req_send_silent(bp, req);
if (rc)
goto ethtool_init_exit;
bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
if (bp->num_tests > BNXT_MAX_TEST)
bp->num_tests = BNXT_MAX_TEST;
test_info->offline_mask = resp->offline_tests;
test_info->timeout = le16_to_cpu(resp->test_timeout);
if (!test_info->timeout)
test_info->timeout = HWRM_CMD_TIMEOUT;
for (i = 0; i < bp->num_tests; i++) {
char *str = test_info->string[i];
char *fw_str = resp->test_name[i];
if (i == BNXT_MACLPBK_TEST_IDX) {
strcpy(str, "Mac loopback test (offline)");
} else if (i == BNXT_PHYLPBK_TEST_IDX) {
strcpy(str, "Phy loopback test (offline)");
} else if (i == BNXT_EXTLPBK_TEST_IDX) {
strcpy(str, "Ext loopback test (offline)");
} else if (i == BNXT_IRQ_TEST_IDX) {
strcpy(str, "Interrupt_test (offline)");
} else {
snprintf(str, ETH_GSTRING_LEN, "%s test (%s)",
fw_str, test_info->offline_mask & (1 << i) ?
"offline" : "online");
}
}
ethtool_init_exit:
hwrm_req_drop(bp, req);
}
static void bnxt_get_eth_phy_stats(struct net_device *dev,
struct ethtool_eth_phy_stats *phy_stats)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
return;
rx = bp->rx_port_stats_ext.sw_stats;
phy_stats->SymbolErrorDuringCarrier =
*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_pcs_symbol_err));
}
static void bnxt_get_eth_mac_stats(struct net_device *dev,
struct ethtool_eth_mac_stats *mac_stats)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx, *tx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
return;
rx = bp->port_stats.sw_stats;
tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
mac_stats->FramesReceivedOK =
BNXT_GET_RX_PORT_STATS64(rx, rx_good_frames);
mac_stats->FramesTransmittedOK =
BNXT_GET_TX_PORT_STATS64(tx, tx_good_frames);
mac_stats->FrameCheckSequenceErrors =
BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames);
mac_stats->AlignmentErrors =
BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames);
mac_stats->OutOfRangeLengthField =
BNXT_GET_RX_PORT_STATS64(rx, rx_oor_len_frames);
}
static void bnxt_get_eth_ctrl_stats(struct net_device *dev,
struct ethtool_eth_ctrl_stats *ctrl_stats)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
return;
rx = bp->port_stats.sw_stats;
ctrl_stats->MACControlFramesReceived =
BNXT_GET_RX_PORT_STATS64(rx, rx_ctrl_frames);
}
static const struct ethtool_rmon_hist_range bnxt_rmon_ranges[] = {
{ 0, 64 },
{ 65, 127 },
{ 128, 255 },
{ 256, 511 },
{ 512, 1023 },
{ 1024, 1518 },
{ 1519, 2047 },
{ 2048, 4095 },
{ 4096, 9216 },
{ 9217, 16383 },
{}
};
static void bnxt_get_rmon_stats(struct net_device *dev,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx, *tx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
return;
rx = bp->port_stats.sw_stats;
tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
rmon_stats->jabbers =
BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames);
rmon_stats->oversize_pkts =
BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames);
rmon_stats->undersize_pkts =
BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames);
rmon_stats->hist[0] = BNXT_GET_RX_PORT_STATS64(rx, rx_64b_frames);
rmon_stats->hist[1] = BNXT_GET_RX_PORT_STATS64(rx, rx_65b_127b_frames);
rmon_stats->hist[2] = BNXT_GET_RX_PORT_STATS64(rx, rx_128b_255b_frames);
rmon_stats->hist[3] = BNXT_GET_RX_PORT_STATS64(rx, rx_256b_511b_frames);
rmon_stats->hist[4] =
BNXT_GET_RX_PORT_STATS64(rx, rx_512b_1023b_frames);
rmon_stats->hist[5] =
BNXT_GET_RX_PORT_STATS64(rx, rx_1024b_1518b_frames);
rmon_stats->hist[6] =
BNXT_GET_RX_PORT_STATS64(rx, rx_1519b_2047b_frames);
rmon_stats->hist[7] =
BNXT_GET_RX_PORT_STATS64(rx, rx_2048b_4095b_frames);
rmon_stats->hist[8] =
BNXT_GET_RX_PORT_STATS64(rx, rx_4096b_9216b_frames);
rmon_stats->hist[9] =
BNXT_GET_RX_PORT_STATS64(rx, rx_9217b_16383b_frames);
rmon_stats->hist_tx[0] =
BNXT_GET_TX_PORT_STATS64(tx, tx_64b_frames);
rmon_stats->hist_tx[1] =
BNXT_GET_TX_PORT_STATS64(tx, tx_65b_127b_frames);
rmon_stats->hist_tx[2] =
BNXT_GET_TX_PORT_STATS64(tx, tx_128b_255b_frames);
rmon_stats->hist_tx[3] =
BNXT_GET_TX_PORT_STATS64(tx, tx_256b_511b_frames);
rmon_stats->hist_tx[4] =
BNXT_GET_TX_PORT_STATS64(tx, tx_512b_1023b_frames);
rmon_stats->hist_tx[5] =
BNXT_GET_TX_PORT_STATS64(tx, tx_1024b_1518b_frames);
rmon_stats->hist_tx[6] =
BNXT_GET_TX_PORT_STATS64(tx, tx_1519b_2047b_frames);
rmon_stats->hist_tx[7] =
BNXT_GET_TX_PORT_STATS64(tx, tx_2048b_4095b_frames);
rmon_stats->hist_tx[8] =
BNXT_GET_TX_PORT_STATS64(tx, tx_4096b_9216b_frames);
rmon_stats->hist_tx[9] =
BNXT_GET_TX_PORT_STATS64(tx, tx_9217b_16383b_frames);
*ranges = bnxt_rmon_ranges;
}
static void bnxt_get_link_ext_stats(struct net_device *dev,
struct ethtool_link_ext_stats *stats)
{
struct bnxt *bp = netdev_priv(dev);
u64 *rx;
if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
return;
rx = bp->rx_port_stats_ext.sw_stats;
stats->link_down_events =
*(rx + BNXT_RX_STATS_EXT_OFFSET(link_down_events));
}
void bnxt_ethtool_free(struct bnxt *bp)
{
kfree(bp->test_info);
bp->test_info = NULL;
}
const struct ethtool_ops bnxt_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USECS_IRQ |
ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
ETHTOOL_COALESCE_STATS_BLOCK_USECS |
ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
ETHTOOL_COALESCE_USE_CQE,
.get_link_ksettings = bnxt_get_link_ksettings,
.set_link_ksettings = bnxt_set_link_ksettings,
.get_fec_stats = bnxt_get_fec_stats,
.get_fecparam = bnxt_get_fecparam,
.set_fecparam = bnxt_set_fecparam,
.get_pause_stats = bnxt_get_pause_stats,
.get_pauseparam = bnxt_get_pauseparam,
.set_pauseparam = bnxt_set_pauseparam,
.get_drvinfo = bnxt_get_drvinfo,
.get_regs_len = bnxt_get_regs_len,
.get_regs = bnxt_get_regs,
.get_wol = bnxt_get_wol,
.set_wol = bnxt_set_wol,
.get_coalesce = bnxt_get_coalesce,
.set_coalesce = bnxt_set_coalesce,
.get_msglevel = bnxt_get_msglevel,
.set_msglevel = bnxt_set_msglevel,
.get_sset_count = bnxt_get_sset_count,
.get_strings = bnxt_get_strings,
.get_ethtool_stats = bnxt_get_ethtool_stats,
.set_ringparam = bnxt_set_ringparam,
.get_ringparam = bnxt_get_ringparam,
.get_channels = bnxt_get_channels,
.set_channels = bnxt_set_channels,
.get_rxnfc = bnxt_get_rxnfc,
.set_rxnfc = bnxt_set_rxnfc,
.get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
.get_rxfh_key_size = bnxt_get_rxfh_key_size,
.get_rxfh = bnxt_get_rxfh,
.set_rxfh = bnxt_set_rxfh,
.flash_device = bnxt_flash_device,
.get_eeprom_len = bnxt_get_eeprom_len,
.get_eeprom = bnxt_get_eeprom,
.set_eeprom = bnxt_set_eeprom,
.get_link = bnxt_get_link,
.get_link_ext_stats = bnxt_get_link_ext_stats,
.get_eee = bnxt_get_eee,
.set_eee = bnxt_set_eee,
.get_module_info = bnxt_get_module_info,
.get_module_eeprom = bnxt_get_module_eeprom,
.get_module_eeprom_by_page = bnxt_get_module_eeprom_by_page,
.nway_reset = bnxt_nway_reset,
.set_phys_id = bnxt_set_phys_id,
.self_test = bnxt_self_test,
.get_ts_info = bnxt_get_ts_info,
.reset = bnxt_reset,
.set_dump = bnxt_set_dump,
.get_dump_flag = bnxt_get_dump_flag,
.get_dump_data = bnxt_get_dump_data,
.get_eth_phy_stats = bnxt_get_eth_phy_stats,
.get_eth_mac_stats = bnxt_get_eth_mac_stats,
.get_eth_ctrl_stats = bnxt_get_eth_ctrl_stats,
.get_rmon_stats = bnxt_get_rmon_stats,
};